<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="welcome-container">
        <h1>欢迎来到我的网站!!!</h1>
        <p>我们很高兴您能在这里。</p>
        <button onclick="alert('感谢您的访问!')">点击这里</button>
    </div>
</body>

</html>